m5a.12xlargevsr5a.12xlarge
m5a.12xlarge is 24% cheaper than r5a.12xlarge on demand in US East (N. Virginia), saving $473.04 a month.
| At a glance | m5a.12xlarge | r5a.12xlarge |
|---|---|---|
| On-demand | $2.064/hr24% less | $2.712/hr |
| Lowest rate | $0.5891/hr31% lessSpot, can be interrupted | $0.8553/hrSpot, can be interrupted |
| Size | 48 vCPUs, 192 GiB | 48 vCPUs, 384 GiB |
| Processor | AMD EPYC 7571 | AMD EPYC 7571 |
| Architecture | x86_64 | x86_64 |
Prices in US East (N. Virginia)
“Off” is the discount against each type’s own on-demand price. Linux, USD per hour.
| Option | m5a.12xlarge | r5a.12xlarge | r5a.12xlarge vs m5a.12xlarge |
|---|---|---|---|
| On-demandPay by the hour | $2.064 | $2.712 | ▲ 31% |
| SpotCan be interrupted | 71% off$0.5891 | 68% off$0.8553 | ▲ 45% |
| 1-yr reservedNo upfront | 37% off$1.30 | 37% off$1.709 | ▲ 31% |
| 3-yr reservedNo upfront | 57% off$0.892 | 57% off$1.172 | ▲ 31% |
| 1-yr savings planHourly commitment | 27% off$1.511 | 27% off$1.971 | ▲ 30% |
| 3-yr savings planHourly commitment | 49% off$1.043 | 48% off$1.415 | ▲ 36% |
Key differences
The biggest lead each one has.
Where m5a.12xlarge leads
On-demand price$2.064 vs $2.712 per hour
24% cheaperWhere r5a.12xlarge leads
Memory (GiB)384 vs 192
2× higherSpecs
3 of 40 specs differ. Those are in bold.
| ComputeAll 10 match | m5a.12xlarge | r5a.12xlarge |
|---|---|---|
| vCPUs | 48 | 48 |
| Physical cores | 24 | 24 |
| Threads per core | 2 | 2 |
| Architecture | x86_64 | x86_64 |
| Processor | AMD EPYC 7571 | AMD EPYC 7571 |
| CPU maker | AMD | AMD |
| Clock speed | 2.5 GHz | 2.5 GHz |
| Sustained clock | 2.5 GHz | 2.5 GHz |
| Processor features | AVX; AVX2; AMD Turbo | AVX; AVX2; AMD Turbo |
| Burstable | No | No |
| Memory1 of 1 differ | m5a.12xlarge | r5a.12xlarge |
|---|---|---|
| Memory (GiB) | 192 | 384 |
| NetworkingAll 8 match | m5a.12xlarge | r5a.12xlarge |
|---|---|---|
| Network | 10 Gigabit | 10 Gigabit |
| Network baseline | 10 Gbps | 10 Gbps |
| Network peak | 10 Gbps | 10 Gbps |
| Enhanced networking | Yes (ENA) | Yes (ENA) |
| EFA | No | No |
| IPv6 | Yes | Yes |
| Max network interfaces | 8 | 8 |
| IPv4 addresses per interface | 30 | 30 |
| StorageAll 11 match | m5a.12xlarge | r5a.12xlarge |
|---|---|---|
| Storage | EBS only | EBS only |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | 5000 Mbps | 5000 Mbps |
| EBS baseline bandwidth | 6,780 Mbps | 6,780 Mbps |
| EBS max bandwidth | 6,780 Mbps | 6,780 Mbps |
| EBS baseline throughput | 847.5 MB/s | 847.5 MB/s |
| EBS max throughput | 847.5 MB/s | 847.5 MB/s |
| EBS baseline IOPS | 30,000 | 30,000 |
| EBS max IOPS | 30,000 | 30,000 |
| Max EBS volumes | 27 | 27 |
| Instance details2 of 10 differ | m5a.12xlarge | r5a.12xlarge |
|---|---|---|
| Family | m5a | r5a |
| Category | General purpose | Memory optimized |
| Current generation | Yes | Yes |
| Normalization factor | 96 | 96 |
| Bare metal | No | No |
| Hypervisor | Nitro | Nitro |
| Placement groups | Cluster, Partition, Spread | Cluster, Partition, Spread |
| Hibernation | No | No |
| Nitro Enclaves | Yes | Yes |
| Boot modes | Legacy BIOS, UEFI | Legacy BIOS, UEFI |
On-demand prices by region
Cheapest for m5a.12xlarge first. Linux, USD per hour.
| Region | m5a.12xlarge | r5a.12xlarge | Difference |
|---|---|---|---|
| Asia Pacific (Mumbai)ap-south-1 | $1.333 | $1.716 | ▲ 29% |
| US East (N. Virginia)Used in summaryus-east-1 | $2.064 | $2.712 | ▲ 31% |
| US East (Ohio)us-east-2 | $2.064 | $2.712 | ▲ 31% |
| US West (Oregon)us-west-2 | $2.064 | $2.712 | ▲ 31% |
| Canada (Central)ca-central-1 | $2.304 | $2.976 | ▲ 29% |
| EU (Ireland)eu-west-1 | $2.304 | $3.048 | ▲ 32% |
| EU (London)eu-west-2 | $2.40 | $3.192 | ▲ 33% |
| EU (Milan)eu-south-1 | $2.424 | $3.192 | ▲ 32% |
| EU (Paris)eu-west-3 | $2.424 | $3.192 | ▲ 32% |
| US West (N. California)us-west-1 | $2.424 | $3.024 | ▲ 25% |
| EU (Frankfurt)eu-central-1 | $2.496 | $3.288 | ▲ 32% |
| Asia Pacific (Seoul)ap-northeast-2 | $2.544 | $3.264 | ▲ 28% |
| Asia Pacific (Singapore)ap-southeast-1 | $2.592 | $3.264 | ▲ 26% |
| Asia Pacific (Sydney)ap-southeast-2 | $2.592 | $3.264 | ▲ 26% |
| AWS GovCloud (US-East)us-gov-east-1 | $2.616 | $3.264 | ▲ 25% |
| AWS GovCloud (US-West)us-gov-west-1 | $2.616 | $3.264 | ▲ 25% |
| Asia Pacific (Tokyo)ap-northeast-1 | $2.688 | $3.288 | ▲ 22% |
| South America (Sao Paulo)sa-east-1 | $3.312 | $4.344 | ▲ 31% |
Keep exploring
Each type’s own page, and how it compares with others.
AWS EC2 Linux prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.